CN211649118U - Novel rising stem rubber gate valve - Google Patents
Novel rising stem rubber gate valve Download PDFInfo
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- CN211649118U CN211649118U CN202020031310.0U CN202020031310U CN211649118U CN 211649118 U CN211649118 U CN 211649118U CN 202020031310 U CN202020031310 U CN 202020031310U CN 211649118 U CN211649118 U CN 211649118U
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Abstract
The utility model discloses a novel rising stem rubber gate valve, which comprises a valve body and a valve cover, a valve plate moving groove is formed in the valve body, a valve plate is arranged in the valve plate moving groove in a clearance fit manner, a barrel is fixedly arranged at the middle position above the valve plate, a valve rod is arranged in the barrel in a spiral fit manner, the valve cover is fixedly arranged above the valve body through screws, a valve rod through hole is formed at the middle position of the valve cover, the valve rod through hole and the valve rod are mutually matched in a rotating manner, the lower end of the valve rod through hole is mutually matched with the periphery of the upper end of the barrel in a clearance fit manner, a first rubber ring and a second rubber ring are arranged in the periphery of the barrel in a clearance fit manner, the first rubber ring is mutually fixedly connected with the lower side of the valve rod through hole, the second rubber ring is mutually fixedly connected with the upper part of the valve plate, a gear, a groove is formed in the positioning frame, an air cylinder is fixedly mounted on one side of the positioning frame, and the air cylinder drives the rack to slide left and right in the groove.
Description
Technical Field
The utility model belongs to the technical field of the valve technique and specifically relates to a novel rising stem rubber gate valve is related to.
Background
Gate valves are the most commonly used type of shut-off valve in industrial pipelines. The valve has the advantages of small flow resistance, wide application medium range, simpler body shape, better casting manufacturability and the like, and is widely applied to various fields.
In the open-stem gate valve opening and closing process, liquid can overflow from a fit clearance between the valve rod and the valve cover, so the open-stem gate valve can only be in a fully open or closed state, however, in the open-stem gate valve on the market, the valve plate in the valve body can be opened or closed by manually rotating the valve rod, and the manual rotation of the valve rod can consume strength, and the opening and closing speed is low, so the liquid is easy to overflow in the opening and closing process; therefore, the opening and closing speed of the valve plate needs to be increased by replacing manual operation with machinery, and liquid overflow is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.
A novel rising stem rubber gate valve comprises a valve body and a valve cover, wherein a valve plate moving groove is formed in the valve body, a valve plate is arranged in the valve plate moving groove in a clearance fit manner, a barrel is fixedly arranged at the middle position above the valve plate, a valve rod is arranged in the barrel in a spiral fit manner, the valve cover is fixedly arranged above the valve body through screws, a valve rod through hole is formed in the middle position of the valve cover, the valve rod through hole and the valve rod are in mutual rotating fit, the lower end of the valve rod through hole is in mutual clearance fit with the periphery of the upper end of the barrel, the barrel is driven by the rotation of the valve rod to move up and down along the position of the valve rod through hole, a first rubber ring and a second rubber ring are arranged in the clearance fit manner, a first countersunk groove is formed in the lower side of the valve rod through hole of the valve cover, the first rubber ring is fixedly arranged in the first countersunk groove, a second countersunk groove is, the valve rod leads to valve gap and the manual rotatory handle of fixedly connected with from the valve rod through-hole department, and the periphery of valve rod still fixed mounting has the gear, and the gear is located between manual rotatory handle and the valve gap, and the rack is installed in the rear meshing of gear, still is equipped with the locating rack, and the place ahead shaping of locating rack has the recess that supplies rack sliding fit to install, and one side fixed mounting of locating rack has the cylinder, and the cylinder drives the rack along the horizontal slip in the recess.
Compared with the prior art, the beneficial effects of the utility model are that: the valve rod is driven to rotate by the mode that the cylinder drives the rack, the valve plate is opened or closed, the opening and closing speed of the valve plate is accelerated, and liquid overflow is reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic sectional structure of the present invention.
Fig. 2 is an enlarged schematic view of a portion a of fig. 1.
Shown in the figure: 1. a valve body; 2. a valve cover; 3. a valve plate moving groove; 4. a valve plate; 5. a screw cylinder; 6. a valve stem; 7. a valve stem through bore; 8. a first rubber ring; 9. a second rubber ring; 10. a first countersunk groove; 11. a second countersunk groove; 12. manually rotating the handle; 13. a gear; 14. a rack; 15. a positioning frame; 16. a groove; 17. a cylinder; 18. a diversion trench; 19. a third rubber ring; 20. a circular groove; 21. a cylinder; 22. and a fourth rubber ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses an it is not enough to overcome above-mentioned condition, provides a technical scheme that can solve above-mentioned problem.
Referring to fig. 1-2, a novel rising stem rubber gate valve comprises a valve body 1 and a valve cover 2, a valve plate moving groove 3 is formed in the valve body 1, a valve plate 4 is installed in the valve plate moving groove 3 in a clearance fit manner, a barrel 5 is fixedly installed at the middle position above the valve plate 4, a valve rod 6 is installed in the barrel 5 in a spiral fit manner, the valve cover 2 is fixedly installed above the valve body 1 through screws, a valve rod through hole 7 is formed at the middle position of the valve cover 2, the valve rod through hole 7 and the valve rod 6 are in a mutual rotation fit manner, the lower end of the valve rod through hole 7 and the periphery of the upper end of the barrel 5 are in a clearance fit manner, the valve rod 6 rotates to drive the barrel 5 to move up and down along the valve rod through hole 7, a first rubber ring 8 and a second rubber ring 9 are installed in a clearance fit manner at the periphery of the barrel 5, a first countersunk groove 10 is formed at the lower side of the valve rod through hole, a second countersunk groove 11 is formed above the valve plate 4, a second rubber ring 9 is fixedly arranged in the second countersunk groove 11, the valve rod 6 passes through the valve cover 2 from the through hole 7 of the valve rod and is fixedly connected with a manual rotating handle 12, a gear 13 is also fixedly arranged on the periphery of the valve rod 6, the gear 13 is positioned between the manual rotating handle 12 and the valve cover 2, a rack 14 and a positioning frame 15 are arranged behind the gear 13 in a meshed manner, a groove 16 for the rack 14 to be installed in a sliding fit manner is formed in front of the positioning frame 15, an air cylinder 17 is fixedly arranged on one side of the positioning frame 15, and the air cylinder 17 drives the rack 14 to slide left and right in the groove 16; the principle is as follows: when the valve plate 4 is in a full-open state, the first rubber ring 8 and the second rubber ring 9 are mutually compressed, so that the valve cover 2 is in sealing fit with the valve plate 4, and water flow is blocked from overflowing from the valve rod through hole 7; when the valve plate 4 is in a fully closed state, the valve plate 4 can block water flow from flowing from the valve body 1; drive rack 14 through cylinder 17, the mode of rack 14 meshing gear 13 drives valve rod 6 and rotates for the rotation rate of valve rod 6 to realize opening and close fast of valve plate 4, effectively reduce liquid and spill over from valve rod through-hole 7.
As a further aspect of the present invention: a guide groove 18 which is obliquely arranged on the outer side is formed on the side edge of the valve cover 2, and the guide groove 18 is communicated with the valve rod through hole 7; the liquid overflowing in the opening and closing process of the valve plate 4 flows out from the diversion trench 18, and the overflowing liquid is conveniently treated.
As a further aspect of the present invention: the diversion trench 18 is provided with one or more than one circular arrays arranged on the side of the valve cover 2; the flow velocity of overflowing liquid is slowed down, and the collection and the treatment are convenient.
As a further aspect of the present invention: a third rubber ring 19 is fixedly arranged between the valve body 1 and the valve cover 2; effective waterproofing between the valve body 1 and the valve cover 2 is achieved.
As a further aspect of the present invention: a vertically arranged circular groove 20 is formed in the middle of the lower end of the valve plate 4, a cylinder 21 is fixedly installed on the lower edge of the inner side of the valve body 1, the cylinder 21 and the circular groove 20 are in clearance fit with each other, a fourth rubber ring 22 is installed on the periphery of the cylinder 21 in clearance fit, and the fourth rubber ring 22 is located between the lower edge of the lower side of the valve plate 4 and the lower edge of the inner side of the valve body 1; the valve plate 4 can be kept at the opening and closing position by moving up and down, and the service life is prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a novel rising stem rubber gate valve, including valve body and valve gap, the shaping has the valve plate shifting chute in the valve body, the valve plate is installed to clearance fit in the valve plate shifting chute, the intermediate position department fixed mounting of valve plate top has the barrel, the valve rod is installed to screw fit in the barrel, the valve gap passes through screw fixed mounting in the top of valve body, the intermediate position department of valve gap forms has the valve rod through-hole, rotation cooperation each other between valve rod through-hole and the valve rod, the lower extreme of valve rod through-hole and the peripheral clearance fit each other in upper end of barrel, the rotatory barrel that drives of valve rod is along carrying out the up-and-down motion in: first rubber circle and second rubber circle are installed to the peripheral clearance fit of spiral shell, the valve gap has first countersunk head groove at the downside shaping of valve rod through-hole, first rubber circle fixed mounting is in first countersunk head inslot, the top shaping of valve plate has second countersunk head groove, second rubber circle fixed mounting is in second countersunk head inslot, the valve rod is from valve rod through-hole department through out valve gap and the manual rotatory handle of fixedly connected with, the periphery of valve rod still fixed mounting has the gear, the gear is located between manual rotatory handle and the valve gap, the rack is installed in the rear meshing of gear, still be equipped with the locating rack, the place ahead shaping of locating rack has the recess that supplies rack sliding fit to install, one side fixed mounting of locating rack has the cylinder, the cylinder drives the rack and follows horizontal slip in the recess.
2. The novel rising stem rubber gate valve of claim 1, characterized in that: the side of valve gap shaping has the guiding gutter that the slant outside set up, and the guiding gutter communicates each other with the valve rod through-hole.
3. The novel rising stem rubber gate valve of claim 2, characterized in that: the diversion trench is provided with one or more than one circular arrays arranged on the side edge of the valve cover.
4. The novel rising stem rubber gate valve of claim 1, characterized in that: and a third rubber ring is fixedly arranged between the valve body and the valve cover.
5. The novel rising stem rubber gate valve of claim 1, characterized in that: the shaping of intermediate position department of valve plate lower extreme has the circular slot of vertical setting, and the inboard lower limb fixed mounting of valve body has the cylinder, clearance fit each other between cylinder and the circular slot, and the fourth rubber circle is installed to cylindrical peripheral clearance fit, and the fourth rubber circle is located the downside border of valve plate and the inboard lower limb of valve body between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020031310.0U CN211649118U (en) | 2020-01-08 | 2020-01-08 | Novel rising stem rubber gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020031310.0U CN211649118U (en) | 2020-01-08 | 2020-01-08 | Novel rising stem rubber gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211649118U true CN211649118U (en) | 2020-10-09 |
Family
ID=72704015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020031310.0U Active CN211649118U (en) | 2020-01-08 | 2020-01-08 | Novel rising stem rubber gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211649118U (en) |
-
2020
- 2020-01-08 CN CN202020031310.0U patent/CN211649118U/en active Active
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